AOM 1.4 - Archetype.uid a UUID or OID?
heath.frankel at oceanhealthsystems.com
Wed Jun 14 21:17:37 EDT 2017
Your statement that the use of HIER_OBJECT_ID in the AOM1.4 spec is used for OIDs is incorrect. HIER_OBJECT_ID is a complex type with a value attribute of type UID, which may be either UUID, ISO_OID or INTERNET_ID.
The bigger issue is the HIER_OBJECT_ID is incompatible with UUID from a XML schema perspective as UUID is a simple type with a restricted string value while HIER_OBJECT_ID is a complex type with a child element value. The V1.4 AOM XML schema uses this HIER_OBJECT_ID type (as per the AOM specification) and since the OPT schema inherits this model, it also uses this type and all OPTs generated by CKM (and the template designer) populate the uid element with the template GUID specified in the OET file.
I suggest that the ADL 2 specification is that one that needs to change or there needs to be a specified mapping between the two.
From: openEHR-technical [mailto:openehr-technical-bounces at lists.openehr.org] On Behalf Of Thomas Beale
Sent: Thursday, 15 June 2017 5:40 AM
To: Openehr-Technical <openehr-technical at lists.openehr.org>
Subject: AOM 1.4 - Archetype.uid a UUID or OID?
Bert picked up an anomaly in this PR<https://openehr.atlassian.net/browse/SPECPR-219> that I think should probably be fixed. ARCHETYPE.uid is of type UUID in the AOM2 spec, but of type HIER_OBJECT_ID in the AOM1.4 spec (the latter type is the openEHR type for OIDs). However it appears that all ADL1.4 archetypes that have a uid have it as a Guid (i.e. UUID), and I assume the various tools do as well. We avoid Oids like the plague in openEHR, and I am not aware of them being used anywhere.
If we can verify that everything assumes a UUID for this field, then the spec is wrong, and we should update it from 1.4.2 to 1.4.3, i.e. treat this as an error correction.
Could tool makers check this issue and report here?
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